Home / 10,219,175,039.80-15,328,762,559.70-9,989,592,527.80

Finding the Fourth Proportional to 10,219,175,039.80, 15,328,762,559.70 and 9,989,592,527.80

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Solution

The fourth proportional to 10,219,175,039.80, 15,328,762,559.70 and 9,989,592,527.80 is: 14,984,388,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219,175,039.80 : 15,328,762,559.70 = 9,989,592,527.80 : x
  2. Step 2: Convert to fraction form
    10,219,175,039.80/15,328,762,559.70 = 9,989,592,527.80/x
  3. Step 3: Cross multiply
    10,219,175,039.80x = 15,328,762,559.70 × 9,989,592,527.80
  4. Step 4: Simplify right side
    10,219,175,039.80x = 153,128,091,926,799,515,648
  5. Step 5: Solve for x
    x = 153,128,091,926,799,515,648/10,219,175,039.80
  6. Step 6: Final answer
    x = 14,984,388,791.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.